Answer:
Nitrogen thet cannot be used by organisms. C.
Explanation:
Free nitrogen is simply molecular nitrogen (N2). Nitrogen, in its molecular form, consists of two nitrogen atoms bound together with a tripple bond. Because it is very stable, N2 is typically nonreactive, and takes a lot of energy to break them apart. Among these are the amino acids necessary for life to begin and which are the building blocks DNA is made from. Basically, any nitrogen that is in an organic compound is considered “fixed” nitrogen and N2 is considered to be “free” nitrogen
<span> C - nitrogen fixation, ammonification and nitrification </span>
Answer:
If we're talking about one specific element, then your answer is A) alike.
The asnwer to this D. Cells are the basic unit of structure and function in organism.
Answer:
Due to convergent evolution/ analogy
Explanation:
Analogy in evolution is the development of similar or analogous structures in distantly related species occupying the same environment. This is because the species have developed similar adaptations, over time, that enables them to survive in their environment.
